Block Diagram - Sam4s ER-650 Service Manual

9 Block Diagram

9-1 ER-650R
POWER
VCC
CIRCUIT
VCC
VCC
+24V
EP-ROM
27C040
SRAM
(2 MBit)
Expansion
SRAM
(4 Mbit×2)
Real Time
Clock
(32.768KHz)
BUZZER
Option
SAM4S ER-650 SERIES
VH(+8
VPH(+8.5V)
VDR(+24V)
VDI(+30V)
RESET
CIRCUIT
P_FAIL
CIRCUIT
ADDRESS
DATA
ADDRESS
DATA
ADDRESS
DATA
ADDRESS
DATA
BUZZER
CIRCUIT
CLOCK CIRCUIT
CPU
M30622SFP
(14.7456MHz)
RS-232
CONNECTOR#1,2
DRIVER#1,2
IRC
DRIVER CONNECTOR
FRONT LCD FORNR LCD
DRIVER
REAR VFD REAR VFD
DRIVER
KEY BOARD KEY BOARD
DRIVER
MODE KEY MODE KEY
DRIVER
CLERK KEY CLERK KEY
DRIVER
THERMAL PRT THERMAL PRT
DRIVER STM-210
RS-232C
IRC
9-1